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/*
* $RCSfile$
*
* Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision$
* $Date$
* $State$
*/
#include "StdAfx.h"
extern "C" JNIEXPORT
void JNICALL Java_javax_media_j3d_NativePipeline_readRaster(
JNIEnv *env, jobject obj, jlong ctx,
jint type, jint xOffset, jint yOffset,
jint wRaster, jint hRaster, jint hCanvas,
jint imageDataType,
jint imageFormat, jobject imageBuffer,
jint depthFormat, jobject depthBuffer)
{
void *imageObjPtr;
void *depthObjPtr;
GetDevice();
printf("[GraphicsContext3D] readRaster ...\n");
if ((type & javax_media_j3d_Raster_RASTER_COLOR) != 0) {
if ((d3dCtx->d3dPresent.SwapEffect == D3DSWAPEFFECT_DISCARD)
// For offScreen rendering, swapBuffer never invoked
// so it is safe to use backBuffer
&& (!d3dCtx->offScreen)
// If fail to createFrontBuffer, fallback to use
// backSurface. There is no gaurantee this fallback
// will work, but at least in non-debug DirectX library
// it works.
&& ((d3dCtx->frontSurface != NULL) ||
(d3dCtx->frontSurface == NULL) &&
d3dCtx->createFrontBuffer())) {
HRESULT hr = device->GetFrontBufferData(0,d3dCtx->frontSurface);//iSwapChain as 0
if (FAILED(hr)) {
printf("GetFrontBuffer fail %s\n", DXGetErrorString9(hr));
return;
}
imageObjPtr = (void *) env->GetPrimitiveArrayCritical((jarray)imageBuffer, NULL);
if (!d3dCtx->bFullScreen) {
// We need to invoke GetWindowRect() everytime
// since message resize() will not receive
// when Canvas3D inside browers.
d3dCtx->getScreenRect(d3dCtx->hwnd, &d3dCtx->windowRect);
copyDataFromSurface(imageFormat,
xOffset + d3dCtx->windowRect.left,
yOffset + d3dCtx->windowRect.top,
wRaster,
hRaster,
(jbyte *) imageObjPtr,
d3dCtx->frontSurface);
}
else {
copyDataFromSurface(imageFormat, xOffset, yOffset,
wRaster, hRaster, (jbyte *) imageObjPtr,
d3dCtx->frontSurface);
}
env->ReleasePrimitiveArrayCritical((jarray) imageBuffer, imageObjPtr, 0);
}
else {
if (d3dCtx->backSurface == NULL) {
HRESULT hr = device->GetBackBuffer(0,0, D3DBACKBUFFER_TYPE_MONO, //isSwapChain as 0
&d3dCtx->backSurface);
if (FAILED(hr)) {
printf("GetBackBuffer fail %s\n", DXGetErrorString9(hr));
return;
}
}
imageObjPtr = (void *) env->GetPrimitiveArrayCritical((jarray)imageBuffer, NULL);
copyDataFromSurface(imageFormat, xOffset, yOffset, wRaster,
hRaster, (jbyte *) imageObjPtr, d3dCtx->backSurface);
env->ReleasePrimitiveArrayCritical((jarray)imageBuffer, imageObjPtr, 0);
}
}
if ((type & javax_media_j3d_Raster_RASTER_DEPTH) != 0) {
if (d3dCtx->depthStencilSurface == NULL) {
HRESULT hr =
device->GetDepthStencilSurface(&d3dCtx->depthStencilSurface);
if (FAILED(hr)) {
if (debug) {
printf("[Java3D] Fail to get depth stencil surface %s\n",
DXGetErrorString9(hr));
}
return;
}
}
depthObjPtr = (void *) env->GetPrimitiveArrayCritical((jarray)depthBuffer, NULL);
if (depthFormat == javax_media_j3d_DepthComponentRetained_DEPTH_COMPONENT_TYPE_INT) {
// yOffset is adjusted for OpenGL - Y upward
copyDepthFromSurface(xOffset, yOffset, wRaster,
hRaster, (jint *) depthObjPtr, d3dCtx->depthStencilSurface);
} else { // javax_media_j3d_DepthComponentRetained_DEPTH_COMPONENT_TYPE_FLOAT
// yOffset is adjusted for OpenGL - Y upward
copyDepthFromSurface(xOffset, yOffset, wRaster,
hRaster, (jfloat *) depthObjPtr, d3dCtx->depthStencilSurface);
}
env->ReleasePrimitiveArrayCritical((jarray)depthBuffer, depthObjPtr, 0);
}
}
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